import Vue from 'vue'
import Router from 'vue-router' // 导入路由

Vue.use(Router) // 安装路由

/* Layout */
import Layout from '@/layout' // 导入布局组件

// 路由的一些自定义配置
/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                    在侧边栏菜单是否隐藏  if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true                是否一直显示在根菜单 if set true, will always show the root menu
 *                                   if not set alwaysShow, when item has more than one children route,
 *                                   it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect            重定向地址 if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'              路由的name名称  the name is used by <keep-alive> (must set!!!)
 * meta : {   
    roles: ['admin','editor']      无用 control the page roles (you can set multiple roles)
    title: 'title'                 标题文字  the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x'   图标 the icon show in the sidebar
    breadcrumb: false              是否显示在面包屑中 if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'    高亮激活的菜单 if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */

// 引入多个模块的规则
import approvalsRouter from './modules/approvals'
import departmentsRouter from './modules/departments'
import employeesRouter from './modules/employees'
import permissionsRouter from './modules/permissions'
import attendancesRouter from './modules/attendances'
import salarysRouter from './modules/salarys'
import settingsRouter from './modules/settings'
import socialsRouter from './modules/socials'

// 动态路由
export const asyncRoutes=[ approvalsRouter,
  departmentsRouter,
  employeesRouter,
  permissionsRouter,
  attendancesRouter,
  salarysRouter,
  settingsRouter,
  socialsRouter]

// 静态路由
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: 'Dashboard', icon: 'dashboard' }
    }]
  },

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
]

// 创建路由的方法
const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: [...constantRoutes,...asyncRoutes] //静态路由和动态路由放一起
})

// 调用 得到一个路由实例对象 
const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
// 重置路由的方法
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
